Не делаются скриншоты в pytest

import os
import allure
import pytest
@pytest.hookimpl(tryfirst=True, hookwrapper=True)
def pytest_runtest_makereport(item, call):
    outcome = yield
    rep = outcome.get_result()
    if rep.when == 'call' and rep.failed:
        mode = 'a' if os.path.exists('failures') else 'w'
        try:
            with open('failures', mode) as f:
                if 'request' in item.fixturenames:
                    web_driver = item.funcargs['request']
                else:
                    print('Fail to take screen-shot')
                    return
            allure.attach(
                web_driver.get_screenshot_as_png(),
                name='screenshot',
                attachment_type=allure.attachment_type.PNG
            )
        except Exception as e:
            print('Fail to take screen-shot: {}'.format(e))
def pytest_configure():
    return {'current': None, 'id': None}

@pytest.fixture()
def check_url():
    driver = webdriver.Chrome()
    current_url = driver.current_url
 
@pytest.mark.parametrize('id', str(random.randint(11, 999)))
@pytest.fixture(params=["chrome"], scope="class")
def driver_init(request):
    if request.param == "chrome":
        web_driver = webdriver.Chrome()
    request.cls.driver = web_driver
    yield 
    web_driver.close()